Accessory for a hairdryer

FIG. 1 is a perspective view of an accessory for a hairdryer showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view of the opposite side of FIG. 4 ;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are included for the purpose of illustrating portions of an accessory for a hairdryer that form no part of the claimed design.